Re: [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb
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- To: Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Subject: Re: [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Thu, 3 Mar 2022 11:59:31 +0100
- Cc: Christoph Hellwig <hch@xxxxxx>, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, Anshuman Khandual <anshuman.khandual@xxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-hyperv@xxxxxxxxxxxxxxx, tboot-devel@xxxxxxxxxxxxxxxxxxxxx, linux-pci@xxxxxxxxxxxxxxx
- In-reply-to: <alpine.DEB.2.22.394.2203021709470.3261@ubuntu-linux-20-04-desktop>
- References: <20220301105311.885699-1-hch@lst.de> <20220301105311.885699-12-hch@lst.de> <alpine.DEB.2.22.394.2203011720150.3261@ubuntu-linux-20-04-desktop> <20220302081500.GB23075@lst.de> <alpine.DEB.2.22.394.2203021709470.3261@ubuntu-linux-20-04-desktop>
- User-agent: Mutt/1.5.17 (2007-11-01)
On Wed, Mar 02, 2022 at 05:25:10PM -0800, Stefano Stabellini wrote:
> Thinking more about it we actually need to drop the xen_initial_domain()
> check otherwise some cases won't be functional (Dom0 not 1:1 mapped, or
> DomU 1:1 mapped).
Hmm, but that would be the case even before this series, right?
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